In a large bowl cream your butter & sugar.
Mix in the vanilla extract and egg.
In a medium-sized bowl, add together the dry ingredients & whisk together.
Slowly add the dry ingredients to the wet ingredients.
Mix everything until well incorporated.
Mix together the confectionary sugar, water and red food coloring.
Keep adding red food coloring until you reach your desired shade of red.
To get a nice deep red, you will need quite a bit of food color.